KR102084822B1 - Irap 액세스 단위들과 비트스트림 스위칭 및 스플라이싱 - Google Patents

Irap 액세스 단위들과 비트스트림 스위칭 및 스플라이싱 Download PDF

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KR102084822B1
KR102084822B1 KR1020157031269A KR20157031269A KR102084822B1 KR 102084822 B1 KR102084822 B1 KR 102084822B1 KR 1020157031269 A KR1020157031269 A KR 1020157031269A KR 20157031269 A KR20157031269 A KR 20157031269A KR 102084822 B1 KR102084822 B1 KR 102084822B1
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irap
video
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pictures
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KR20150139898A (ko
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아다르쉬 크리쉬난 라마수브라모니안
예-쿠이 왕
크리쉬나칸트 라파카
잉 천
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퀄컴 인코포레이티드
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H04N19/895—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder in combination with error concealment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8451—Structuring of content, e.g. decomposing content into time segments using Advanced Video Coding [AVC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/187—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a scalable video layer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020157031269A 2013-04-05 2014-04-04 Irap 액세스 단위들과 비트스트림 스위칭 및 스플라이싱 Active KR102084822B1 (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201361809063P 2013-04-05 2013-04-05
US61/809,063 2013-04-05
US201361812225P 2013-04-15 2013-04-15
US61/812,225 2013-04-15
US14/244,743 US9596486B2 (en) 2013-04-05 2014-04-03 IRAP access units and bitstream switching and splicing
US14/244,743 2014-04-03
PCT/US2014/032926 WO2014165730A1 (en) 2013-04-05 2014-04-04 Irap access units and bitstream switching and splicing

Publications (2)

Publication Number Publication Date
KR20150139898A KR20150139898A (ko) 2015-12-14
KR102084822B1 true KR102084822B1 (ko) 2020-03-04

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Country Link
US (1) US9596486B2 (enExample)
EP (1) EP2982129B1 (enExample)
JP (1) JP6239732B2 (enExample)
KR (1) KR102084822B1 (enExample)
CN (1) CN105052156B (enExample)
ES (1) ES2748561T3 (enExample)
HU (1) HUE044639T2 (enExample)
WO (1) WO2014165730A1 (enExample)

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KR20220114562A (ko) * 2019-12-20 2022-08-17 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 비디오 스트림들에서 상이한 nal 유닛 타입들의 nal 유닛들을 혼합하기 위한 디코더, 인코더 및 방법들
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Publication number Publication date
ES2748561T3 (es) 2020-03-17
CN105052156A (zh) 2015-11-11
JP6239732B2 (ja) 2017-11-29
US20140301485A1 (en) 2014-10-09
EP2982129B1 (en) 2019-07-03
CN105052156B (zh) 2018-04-03
HUE044639T2 (hu) 2019-11-28
KR20150139898A (ko) 2015-12-14
JP2016519509A (ja) 2016-06-30
EP2982129A1 (en) 2016-02-10
WO2014165730A1 (en) 2014-10-09
US9596486B2 (en) 2017-03-14

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